228004959

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{389}}^1$

素因数の和:544

約数の個数: 64

約数和(自身を含む): 398361600

約数和(自身を除く): 170356641

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 113, 133, 247, 273, 339, 389, 399, 741, 791, 1167, 1469, 1729, 2147, 2373, 2723, 4407, 5057, 5187, 6441, 7391, 8169, 10283, 15029, 15171, 22173, 27911, 30849, 35399, 43957, 45087, 51737, 83733, 96083, 106197, 131871, 155211, 195377, 288249, 307699, 571441, 586131, 672581, 835183, 923097, 1714323, 2017743, 2505549, 4000087, 5846281, 10857379, 12000261, 17538843, 32572137, 76001653, 228004959]

約数ペア:

[(1, 228004959), (3, 76001653), (7, 32572137), (13, 17538843), (19, 12000261), (21, 10857379), (39, 5846281), (57, 4000087), (91, 2505549), (113, 2017743), (133, 1714323), (247, 923097), (273, 835183), (339, 672581), (389, 586131), (399, 571441), (741, 307699), (791, 288249), (1167, 195377), (1469, 155211), (1729, 131871), (2147, 106197), (2373, 96083), (2723, 83733), (4407, 51737), (5057, 45087), (5187, 43957), (6441, 35399), (7391, 30849), (8169, 27911), (10283, 22173), (15029, 15171)]